Best sellers, best smart Home Sensors & Detectors
We also think that you deserve the best. That’s why on this page, we ranked smart Home Sensors & Detectors from the most sold to the least sold. You have 539 products to choose from. Customers have the most interest in TP-Link Tapo T310, which you can buy for 15.59 € incl. VAT. If you’re intrested in smart Home Sensors & Detectors in terms of the highest reviews, then look at the smart Home Sensors & Detectors reviews and tests category.
All from 539
![Ajax WaterStop [3/4] (8EU) white - Remote controlled water shut-off valve (3/4") - Water Leak Detector](https://image.alza.cz/products/AJAX23_028/AJAX23_028.jpg?width=190&height=190)
Ajax WaterStop [3/4] (8EU) white - Remote controlled water shut-off valve (3/4")
297.50 €
Currently Unavailable
Water Leak Detector - detects Humidity and Water gas, battery-powered, range: 1,1 m, reaction time: 5s, compatible with Ajax, connection via radio waves, protection against...
![Ajax WaterStop [3/4] (8EU) black - Remote controlled water shut-off valve (3/4") - Water Leak Detector](https://image.alza.cz/products/AJAX23_027/AJAX23_027.jpg?width=190&height=190)
Ajax WaterStop [3/4] (8EU) black - Remote controlled water shut-off valve (3/4")
297.50 €
Currently Unavailable
Water Leak Detector - detects Humidity and Water gas, battery-powered, range: 1100 m, reaction time: 5s, compatible with Ajax, connection via radio waves, protection against...
![Ajax WaterStop [1/2] (8EU) white - Remote controlled water shut-off valve (1/2") - Water Leak Detector](https://image.alza.cz/products/AJAX23_024/AJAX23_024.jpg?width=190&height=190)
Ajax WaterStop [1/2] (8EU) white - Remote controlled water shut-off valve (1/2")
263.67 €
Currently Unavailable
Water Leak Detector - detects Humidity and Water gas, battery-powered, range: 1,1 m, reaction time: 5s, compatible with Ajax, connection via radio waves, protection against...
Philips Hue Contact sensor White
43.90 €
On the way 1 pcs
Expected 26/11/2026
Sensor - security sensor on the windows, door or safe, sends an alert or triggers a preset light alarm, includes a magnetic counterpart, IP20, can be glued or screwed (material not...
Philips Hue Contact sensor White 2pcs
75.90 €
In stock 1 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Sensor - security sensor on the windows, door or safe, sends an alert or triggers a preset light alarm, includes a magnetic counterpart, IP20, can be glued or screwed (material not...
Philips Hue Contact sensor Black 2pcs
75.90 €
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Sensor - security sensor on the windows, door or safe, sends an alert or triggers a preset light alarm, includes a magnetic counterpart, IP20, can be glued or screwed (material not...
Philips Hue Contact sensor Black
43.90 €
In stock 2 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Sensor - security sensor on the windows, door or safe, sends an alert or triggers a preset light alarm, includes a magnetic counterpart, IP20, can be glued or screwed (material not...
MOES IR Human Sensor, Zigbee
21.90 €
Currently Unavailable
Motion Sesnor , open system with detection motion compatible with Tuya, range: security and home control, application in English, Czech, German, Slovak and Hungarian, power supply:...
Smoot Air Air Quality Monitor
70.52 €
In stock 1 pcs at the supplier's
Air Quality Meter - detects temperature, humidity, dust particles, mains power supply, notifications via push notifications, battery indication and display, cover material plastic,...
Niceboy ION ORBIS Bridge
-13 % off new
23.90 €
New 27.60 €
Unsealed - in stock 1 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Central Unit - used as home control, connect using WiFi 2,4 GHz and Bluetooth, communication via Niceboy ION, compatible with Android and iOS, USB power supply
Niceboy ION ORBIS Windows & Door Sensor
-10 % off new
13.90 €
New 15.60 €
Unsealed - in stock 1 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Door and Window Sensor - wireless, compatible with Niceboy ION, battery indication, central unit required, supported OS: Android and iOS, application in Czech, application in Czech...
Niceboy ION ORBIS Motion Sensor
-10 % off new
13.90 €
New 15.60 €
Unsealed - in stock 1 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Motion Sesnor , open system with detection motion compatible with Niceboy ION, range: home control, application in English, Czech and Slovak,
IMMAX NEO Smart magnetic sensor for doors and windows, Zigbee 3.0
13.90 €
Unsealed - in stock 1 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Detector - protects your home, requires connection to a smart gateway or other Zigbee 3.0 hub, alerts via mobile app, range up to 30 m, runs on a 3V CR2032 battery
EVOLVEO WiFi SOS, smart emergency SOS button
15.90 €
Currently Unavailable
SOS Button SOS button - Smart Life app, WiFi network, one-button alarm with tow rope, sound and light alarm, recording history and tracking battery status in the app, support for...
EVOLVEO WiFi EYE, smart magnetic PIR motion sensor
10.09 €
In stock > 10 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Motion Sesnor , connect through WiFi 2,4 GHz, closed system with detection motion compatible with Tuya, range: security, application in English, Czech, German, Slovak and...
Eve Door & Window (Matter - compatible with Apple, Google, SmartThings & Amazon Alexa)
BLACK FRIDAY -46 %
30.99 €
57.90 €
Currently Unavailable
Door and Window Sensor - wireless, compatible with Apple Home, Google Home and Samsung SmartThings, connect via Bluetooth, central unit required, supported OS: Android and iOS,...
Netatmo Smart AC Controller
125.93 €
On the way > 5 pcs
Expected 09/11/2026
Smart Wireless Remote to the air conditioning, smart, WiFi 2.4 GHz, iOS apps, Android, compatible with Apple HomeKit, Google Home, Amazon Alexa
Niceboy ION ORBIS Vibration Sensor
BLACK FRIDAY -25 %
17.10 €
22.90 €
In stock
Order by midnight, get it at the AlzaBox in the morning.
Info
Vibration Detector - detects Glass breakage and vibration gas,, compatible with Niceboy ION, battery indication, central unit required to function,, app with Czech language...
Niceboy ION ORBIS Windows & Door Sensor
BLACK FRIDAY -25 %
15.60 €
20.90 €
In stock
Order by midnight, get it at the AlzaBox in the morning.
Info
Door and Window Sensor - wireless, compatible with Niceboy ION, battery indication, central unit required, supported OS: Android and iOS, application in Czech, application in Czech...
Niceboy ION ORBIS Bridge
BLACK FRIDAY -25 %
27.60 €
36.90 €
In stock
Order by midnight, get it at the AlzaBox in the morning.
Info
Central Unit - used as home control, connect using WiFi 2,4 GHz and Bluetooth, communication via Niceboy ION, compatible with Android and iOS, USB power supply
Niceboy ION ORBIS Motion Sensor
BLACK FRIDAY -25 %
15.60 €
20.90 €
In stock
Order by midnight, get it at the AlzaBox in the morning.
Info
Motion Sesnor , open system with detection motion compatible with Niceboy ION, range: home control, application in English, Czech and Slovak,
Niceboy ION ORBIS Water Sensor
BLACK FRIDAY -25 %
15.60 €
20.90 €
In stock
Order by midnight, get it at the AlzaBox in the morning.
Info
Water Leak Detector - detects Water gas,, compatible with Niceboy ION, battery indication, central unit required to function,, app with Czech language support, app with Czech and...
Niceboy ION ORBIS Meteo+ Sensor
BLACK FRIDAY -25 %
25.40 €
33.90 €
In stock
Order by midnight, get it at the AlzaBox in the morning.
Info
Sensor - measures the temperature and humidity in the room, accuracy of 0.3 °C, ranging from -20 to +60 °C, digital display, displays the temperature, humidity, signal level, time...
No longer sold
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